<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            background-image: url(https://img-s-msn-com.akamaized.net/tenant/amp/entityid/AA1BdHHm.img?w=768&h=1024&m=6&x=426&y=202&s=196&d=196);
            background-repeat: no-repeat;
            background-size: 100%;
            background-position: 0 -100px;
        }
        h1{
            width: 500px;
            text-align: center;
            margin: 50px auto 20px;
        }
    </style>
</head>
<body>
    <h1>注册账户</h1>
</body>
</html>